function createPost({title,body}){
    fetch('https://jsonplaceholder.typicode.com/posts',{
        method:'POST',
        body: JSON.stringify({
            title,
            body,
        }),
        headers:{
            'Content-Type':'application/json',
            token:'abc123',
        },
    })
        .then((res) => res.json)
        .then((data) => console.log(data))
}

createPost({title:'My Post',body:'This is my Post'})